Cyclonaias pustulosa

Cyclonaias pustulosa
Conservation status
	; Secure (NatureServe)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Unionida
Family:	Unionidae
Genus:	Cyclonaias
Species:	C. pustulosa
Binomial name
	Cyclonaias pustulosa; (I. Lea, 1831)
Synonyms
	Amphinaias pustulosa (I. Lea, 1831); Quadrula pustulosa (I. Lea, 1831); Rotundaria pustulosa (I. Lea, 1831);

Cyclonaias pustulosa,^[2] the pimpleback,^[1] is a species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels. This species is native to North America, where it is widespread^[1]^[3] and common.^[1] It has possibly been extirpated from New York, however, and populations in Pennsylvania are critically imperiled, according to NatureServe.^[1]

Quick Facts Conservation status, Scientific classification ...

The species was formerly classified within the genus Quadrula, and in 2012 it was moved to Rotundaria based on genetic evidence.^[4]

References